Create a new empty zgossip_msg
Destroy a zgossip_msg instance
Receive a zgossip_msg from the socket. Returns 0 if OK, -1 if
there was an error. Blocks if there is no message waiting.
Send the zgossip_msg to the output socket, does not destroy it
Print contents of message to stdout
Get the message routing id, as a frame
Set the message routing id from a frame
Get the zgossip_msg message id
Set the zgossip_msg message id
Get the zgossip_msg message id as printable text
Get the key field
Set the key field
Get the value field
Set the value field
Get the ttl field
Set the ttl field